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55134996 = 22372412287
BaseRepresentation
bin1101001001010…
…0101100010100
310211202010222220
43102110230110
5103103304441
65245422340
71236432300
oct322245424
9124663886
1055134996
1129138814
121656a9b0
13b565777
147472d00
154c91466
hex3494b14

55134996 has 72 divisors (see below), whose sum is σ = 153369216. Its totient is φ = 15361920.

The previous prime is 55134971. The next prime is 55135007. The reversal of 55134996 is 69943155.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22965 + ... + 25251.

It is an arithmetic number, because the mean of its divisors is an integer number (2130128).

Almost surely, 255134996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55134996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76684608).

55134996 is an abundant number, since it is smaller than the sum of its proper divisors (98234220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55134996 is a wasteful number, since it uses less digits than its factorization.

55134996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2340 counting only the distinct ones).

The product of its digits is 145800, while the sum is 42.

The square root of 55134996 is about 7425.2943376004. The cubic root of 55134996 is about 380.6061332966.

The spelling of 55134996 in words is "fifty-five million, one hundred thirty-four thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 41 42 49 82 84 98 123 147 164 196 246 287 294 492 574 588 861 1148 1722 2009 2287 3444 4018 4574 6027 6861 8036 9148 12054 13722 16009 24108 27444 32018 48027 64036 93767 96054 112063 187534 192108 224126 281301 336189 375068 448252 562602 656369 672378 1125204 1312738 1344756 1969107 2625476 3938214 4594583 7876428 9189166 13783749 18378332 27567498 55134996